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Finding the Fourth Proportional to 274,150.80, 410,842.20 and 218,086.80

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Solution

The fourth proportional to 274,150.80, 410,842.20 and 218,086.80 is: 326,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,150.80 : 410,842.20 = 218,086.80 : x
  2. Step 2: Convert to fraction form
    274,150.80/410,842.20 = 218,086.80/x
  3. Step 3: Cross multiply
    274,150.80x = 410,842.20 × 218,086.80
  4. Step 4: Simplify right side
    274,150.80x = 89,599,260,702.96
  5. Step 5: Solve for x
    x = 89,599,260,702.96/274,150.80
  6. Step 6: Final answer
    x = 326,824.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.